MESON Chess Problem Database

Problem Display
PID: 214364 (8/4B3/8/8/1K1kp3/4p3/8/5B1Q w - - 0 1)

Crane, William

Australian Town and Country Journal, 1877

8/4B3/8/8/1K1kp3/4p3/8/5B1Q

#2

4 + 3

6490 yacpdb 2020
5454 Near Snap 2022

SOLUTION

  • SOUND
  • Tries
    • 1.Qh2?
      • threat
        • 2.Qd6#
      • 1...Kd5
        • 2.Qd6#
      • 1...e2!
  • Keys
    • 1.Bd3!
      • threat
        • 2.Qxe4#
      • 1...Kxd3
        • 2.Qd1#
      • 1...Kd5
        • 2.Qxe4#
      • 1...Ke5
        • 2.Qxe4#
      • 1...exd3
        • 2.Bf6#

Anticipated by 207207(1868)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);
      • Threat
        • QAR2(B)
      • Vars
        • K(b);P-FLIGHT::QAR1(B)
      • Refutation
        • P(a);
  • Actual
    • B(A);
    • Threat
      • QAR1(B),XP(c)
    • Vars
      • K(b);OGATEB,P-FLIGHT,XB(A)::QAR2(B)
      • K(b);P-FLIGHT,P_SPINP(c)::QAB1(B),XP(c)
      • K(b);S_FLIGHT::QAR1(B),XP(c)
      • P(c);SBLOCK,XB(A)::B(D)
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